What this means
The IEEE assigned the MA-M block 80E4DA9 to Elcus. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 80:E4:DA:9, it is Elcus hardware.
Frequently Asked Questions
Who owns MAC prefix 80E4DA9?
80E4DA9 is registered to Elcus in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Elcus's block covers 1,048,576 addresses.
What devices use 80E4DA9?
Any network device with a MAC address starting 80:E4:DA:9 was manufactured by or for Elcus.